MX2016006208A - Codificador para codificar una señal de audio, sistema de audio de transmision y metodo para determinar valores de correccion. - Google Patents
Codificador para codificar una señal de audio, sistema de audio de transmision y metodo para determinar valores de correccion.Info
- Publication number
- MX2016006208A MX2016006208A MX2016006208A MX2016006208A MX2016006208A MX 2016006208 A MX2016006208 A MX 2016006208A MX 2016006208 A MX2016006208 A MX 2016006208A MX 2016006208 A MX2016006208 A MX 2016006208A MX 2016006208 A MX2016006208 A MX 2016006208A
- Authority
- MX
- Mexico
- Prior art keywords
- prediction coefficients
- audio signal
- encoder
- correction values
- calculator
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 5
- 230000005540 biological transmission Effects 0.000 title 1
- 230000003595 spectral effect Effects 0.000 abstract 2
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/038—Vector quantisation, e.g. TwinVQ audio
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Se revela un codificador para codificar una señal de audio, que comprende un analizador configurado para analizar la señal de audio y para determinar coeficientes de predicción de análisis de la señal de audio. El codificador comprende además un convertidor configurado para derivar coeficientes de predicción convertidos de los coeficientes de predicción de análisis, una memoria configurada para almacenar una multitud de valores de corrección y una calculadora. La calculadora comprende un procesador configurado para procesar los coeficientes de predicción convertidos para obtener factores de ponderación espectrales. La calculadora comprende además un combinador configurado para combinar los factores de ponderación espectrales y la multitud de valores de corrección para obtener factores de ponderación corregidos. Un cuantificador de la calculadora está configurado para cuantificar los coeficientes de predicción convertidos utilizando los factores de ponderación corregidos para obtener una representación cuantificada de los coeficientes de predicción convertidos. El codificador comprende un formador de flujo de bits configurado para formar una señal de salida en base a la representación cuantificada de los coeficientes de predicción convertidos y en base a la señal de audio.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13192735 | 2013-11-13 | ||
| EP14178815 | 2014-07-28 | ||
| PCT/EP2014/073960 WO2015071173A1 (en) | 2013-11-13 | 2014-11-06 | Encoder for encoding an audio signal, audio transmission system and method for determining correction values |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MX2016006208A true MX2016006208A (es) | 2016-09-13 |
| MX356164B MX356164B (es) | 2018-05-16 |
Family
ID=51903884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2016006208A MX356164B (es) | 2013-11-13 | 2014-11-06 | Codificador para codificar una señal de audio, sistema de audio de transmisión y método para determinar valores de corrección. |
Country Status (16)
| Country | Link |
|---|---|
| US (4) | US9818420B2 (es) |
| EP (2) | EP3483881A1 (es) |
| JP (1) | JP6272619B2 (es) |
| KR (1) | KR101831088B1 (es) |
| CN (2) | CN105723455B (es) |
| AU (1) | AU2014350366B2 (es) |
| BR (1) | BR112016010197B1 (es) |
| CA (1) | CA2928882C (es) |
| ES (1) | ES2716652T3 (es) |
| MX (1) | MX356164B (es) |
| PL (1) | PL3069338T3 (es) |
| PT (1) | PT3069338T (es) |
| RU (1) | RU2643646C2 (es) |
| TW (1) | TWI571867B (es) |
| WO (1) | WO2015071173A1 (es) |
| ZA (1) | ZA201603823B (es) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623012B (zh) | 2011-01-26 | 2014-08-20 | 华为技术有限公司 | 矢量联合编解码方法及编解码器 |
| KR101831088B1 (ko) | 2013-11-13 | 2018-02-21 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 오디오 신호를 인코딩하기 위한 인코더, 오디오 전송 시스템 및 보정값들을 결정하기 위한 방법 |
| US9978381B2 (en) * | 2016-02-12 | 2018-05-22 | Qualcomm Incorporated | Encoding of multiple audio signals |
| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
| WO2019091573A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters |
| EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
| EP3483884A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| WO2019091576A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits |
| EP3483878A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder supporting a set of different loss concealment tools |
| EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
| EP3483879A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Analysis/synthesis windowing function for modulated lapped transformation |
| KR20190069192A (ko) | 2017-12-11 | 2019-06-19 | 한국전자통신연구원 | 오디오 신호의 채널 파라미터 예측 방법 및 장치 |
| WO2019121980A1 (en) * | 2017-12-19 | 2019-06-27 | Dolby International Ab | Methods and apparatus systems for unified speech and audio decoding improvements |
| JP7049234B2 (ja) | 2018-11-15 | 2022-04-06 | 本田技研工業株式会社 | ハイブリッド飛行体 |
| CN114734436B (zh) * | 2022-03-24 | 2023-12-22 | 苏州艾利特机器人有限公司 | 一种机器人的编码器校准方法、装置及机器人 |
| WO2024167252A1 (ko) * | 2023-02-09 | 2024-08-15 | 한국전자통신연구원 | 오디오 신호 코딩 방법 및 이를 수행하는 장치 |
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| CA2903681C (en) * | 2011-02-14 | 2017-03-28 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Audio codec using noise synthesis during inactive phases |
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| CN105513602B (zh) * | 2011-04-21 | 2019-08-06 | 三星电子株式会社 | 用于语音信号或音频信号的解码设备和方法及量化设备 |
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| KR101831088B1 (ko) * | 2013-11-13 | 2018-02-21 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 오디오 신호를 인코딩하기 위한 인코더, 오디오 전송 시스템 및 보정값들을 결정하기 위한 방법 |
-
2014
- 2014-11-06 KR KR1020167015045A patent/KR101831088B1/ko active IP Right Grant
- 2014-11-06 CN CN201480061940.XA patent/CN105723455B/zh active Active
- 2014-11-06 AU AU2014350366A patent/AU2014350366B2/en active Active
- 2014-11-06 RU RU2016122865A patent/RU2643646C2/ru active
- 2014-11-06 MX MX2016006208A patent/MX356164B/es active IP Right Grant
- 2014-11-06 CA CA2928882A patent/CA2928882C/en active Active
- 2014-11-06 WO PCT/EP2014/073960 patent/WO2015071173A1/en active Application Filing
- 2014-11-06 EP EP18211437.1A patent/EP3483881A1/en active Pending
- 2014-11-06 JP JP2016526934A patent/JP6272619B2/ja active Active
- 2014-11-06 CN CN201911425860.9A patent/CN111179953B/zh active Active
- 2014-11-06 BR BR112016010197-9A patent/BR112016010197B1/pt active IP Right Grant
- 2014-11-06 EP EP14799376.0A patent/EP3069338B1/en active Active
- 2014-11-06 PL PL14799376T patent/PL3069338T3/pl unknown
- 2014-11-06 PT PT14799376T patent/PT3069338T/pt unknown
- 2014-11-06 ES ES14799376T patent/ES2716652T3/es active Active
- 2014-11-11 TW TW103139048A patent/TWI571867B/zh active
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2016
- 2016-05-05 US US15/147,844 patent/US9818420B2/en active Active
- 2016-06-06 ZA ZA2016/03823A patent/ZA201603823B/en unknown
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2017
- 2017-07-07 US US15/644,308 patent/US10354666B2/en active Active
- 2017-10-13 US US15/783,966 patent/US10229693B2/en active Active
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2019
- 2019-02-07 US US16/270,429 patent/US10720172B2/en active Active
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